<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>01vue</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app" >
    <h1>
        {{ti}}
    </h1>
</div>


</body>
<script type="text/javascript">
    var app =new Vue({
        el:"#app",
        data:{
            ti:"hello"
        }

    })

</script>
</html>